Hand mixer



FIG. 1 is a front perspective view of a hand mixer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines within the shaded area represent features that form no part of the claimed design. The broken lines depicting the remainder of the hand mixer form no part of the claimed design. 

CLAIM The ornamental design for a hand mixer, as shown and described. 